ELECTRON MICROSCOPY

Sample

HIV Env germline targeting BG505_MD64_N332-GT5 SOSIP in complex with V3-glycan polyclonal Fab isolated from immunized wild type mice, and NHP monoclonal Fab RM20A3

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 11058
Reported Resolution (Å) 4.1
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 40
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS GLACIOS
Minimum Defocus (nm) 700
Maximum Defocus (nm) 1500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 190000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 3.2
MODEL REFINEMENT PHENIX ?
CLASSIFICATION RELION 3.1
RECONSTRUCTION cryoSPARC 3.2
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?